package com.itstyle.seckill.topic.desinger.design_cj.composite;

/**
 * @Auther: liuwenxiang
 * @Date: 2019/9/18 19:59
 * @Description:
 */
public interface Component {

    public void add(Component c);
    public void remove(Component c);
    public Component getChild(int i);
    public void operation();
}
